Base | Representation |
---|---|
bin | 1111100001110… |
… | …00111010001110 |
3 | 100002002201100210 |
4 | 13300320322032 |
5 | 231321202101 |
6 | 20531503250 |
7 | 3141106431 |
oct | 760707216 |
9 | 302081323 |
10 | 130256526 |
11 | 67587724 |
12 | 37757b26 |
13 | 20ca848a |
14 | 13429818 |
15 | b67e7d6 |
hex | 7c38e8e |
130256526 has 32 divisors (see below), whose sum is σ = 264844800. Its totient is φ = 42703200.
The previous prime is 130256507. The next prime is 130256527. The reversal of 130256526 is 625652031.
It is a junction number, because it is equal to n+sod(n) for n = 130256493 and 130256502.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130256527) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98095 + ... + 99413.
It is an arithmetic number, because the mean of its divisors is an integer number (8276400).
Almost surely, 2130256526 is an apocalyptic number.
130256526 is an abundant number, since it is smaller than the sum of its proper divisors (134588274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130256526 is a wasteful number, since it uses less digits than its factorization.
130256526 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1584.
The product of its (nonzero) digits is 10800, while the sum is 30.
The square root of 130256526 is about 11412.9981161831. The cubic root of 130256526 is about 506.9126903251.
The spelling of 130256526 in words is "one hundred thirty million, two hundred fifty-six thousand, five hundred twenty-six".
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